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头孢西丁
目录号: pi00016001     品名: cefoxitin
cas no:33564-30-6||chemical formula:c16h16n3nao7s2||molecular weight:449.42777||exact mass:449.03274||sodium (6r,7s)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-……
头孢西丁ep杂质a
目录号: pi00016002     品名: decarbamoylcefoxitin cefoxitin impurity a (ep)
cas no:54333-94-7||chemical formula:c15h16n2o6s2||molecular weight:384.42100||exact mass:384.04498||(6r,7s)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-[[(thiophen-2-yl……
头孢西丁ep杂质b
目录号: pi00016003     品名: cefoxitin impurity b (ep)
cas no:1422023-32-2||chemical formula:c16h17n3o7s2||molecular weight:427.44600||exact mass:427.05079||(2r,6r,7s)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(……
头孢西丁ep杂质c, 头孢噻吩ep杂质d
目录号: pi00016004     品名: cefoxitin impurity c(ep),cephalothin impurity d(ep)
cas no:10590-10-0||chemical formula:c14h12n2o4s2||molecular weight:336.38000 ||exact mass:336.02385 ||n-((5ar,6r)-1,7-dioxo-1,4,5a,6-tetrahydro-3h,7h-azeto[2,1-……
头孢西丁ep杂质d
目录号: pi00016005     品名: cefoxitin lactone , cefoxitin impurity d (ep)
cas no:1422023-33-3||chemical formula:c15h14n2o5s2||molecular weight:366.40600||exact mass:366.03441 ||(5ar,6s)-6-methoxy-6-[[(thiophen-2-yl)acetyl]amino]-5a,6-……
头孢西丁ep杂质e
目录号: pi00016006     品名: cefoxitin impurity e(ep)
cas no:2395025-32-6||chemical formula:c17h19n3o8s2||molecular weight:457.47200||exact mass:457.06136 ||(6r,7s)-3-((carbamoyloxy)methyl)-7-methoxy-7-((r)-2-metho……
头孢西丁ep杂质f
目录号: pi00016007     品名: cefoxitin impurity f(ep)
cas no:2395025-37-1||chemical formula:c17h19n3o8s2||molecular weight:457.47806||exact mass:457.06136||(6r,7s)-3-((carbamoyloxy)methyl)-7-methoxy-7-((s)-2-methox……
头孢西丁ep杂质g
目录号: pi00016008     品名: cefoxitin impurity g(ep)(a dimer)
cas no: | chemical formula: c32h33n5o13s4 | (6r,7s)-3-(((((((6r,7s)-2-carboxy-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-e……
头孢西丁杂质h
目录号: pi00016018     品名: cefoxitin impurity h
cas no:37051-05-1 | chemical formula: c15h15n3o6s2 |(6r,7r)-3-((carbamoyloxy)methyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-……
头孢西丁ep杂质ef混合物
目录号: pi00016009     品名: mixture of cefoxitin impurity e&f (ep)
cas no: | chemical formula: c17h19n3o8s2 |(6r,7s)-3-((carbamoyloxy)methyl)-7-methoxy-7-(2-methoxy-2-(thiophen-2-yl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]……
头孢西丁氧化杂质
目录号: pi00016010     品名: cefoxitin oxide impurity
cas no:n/a||chemical formula:c16h17n3o8s2||molecular weight:443.44500||exact mass:443.04571 ||(6r,7s)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-……
头孢西丁杂质h前体
目录号: pi00016011     品名: cefoxitin impurity h precursor(intermediate of impurity c)
cas no:n/a||chemical formula:c16h16n2o6s2||molecular weight:396.43200||exact mass:396.04498||(6r,7r)-3-(acetoxymethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-th……
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